src/java.base/share/classes/sun/security/ssl/Debug.java

*** 199,208 ****
--- 199,226 ----
              throw new RuntimeException("Value of " + propName
                  + " must either be 'true' or 'false'");
          }
      }
  
+     /**
+      * Return the value of the integer System property propName.
+      *
+      * Note use of doPrivileged(). Do make accessible to applications.
+      */
+     static int getIntegerProperty(String propName, int defaultValue) {
+         String i = GetPropertyAction.privilegedGetProperty(propName);
+         if (i != null) {
+             try {
+                 return Integer.parseInt(i);
+             } catch(NumberFormatException e) {
+                 throw new RuntimeException("Value of " + propName
+                     + " must be a valid integer");
+             }
+         }
+         return defaultValue;
+     }
+ 
      static String toString(byte[] b) {
          return sun.security.util.Debug.toString(b);
      }
  
      static void printHex(String prefix, byte[] bytes) {